CREATE MEMORIES. George Clooney handcuffs himself to Dave Letterman in an attempt to keep Dave from leaving the show, in the last week of the Late Show with David Letterman. (Jeffrey R. Staab/CBS via Getty Images)

GROW YOUR ‘K’ ATTITUDE (optional). Penelope Disick immitates perfectly the Kardashian attitude as she and her cousin North West attend a ballet class. (Splash News EXCLUSIVE)

DIVE INTO A WORLD OF BOOKS. The Artron Wall on show at 2015 Shenzhen's cultural industry fair is 50 meters in length and 30 meters high housing over ten hundred thousand art books which is said to be the world's largest Artron Wall. The Artron Wall was co-built by Artron & Culture Group and Taiwaness Flaneur Culture Lab and these art books were seleced from more than 2,000 countries containing 50,000 categories, including languages of Chinese, English, French, German, Italian, Japanese, Spanish, Russian as well as others. The Artron Wall serves as a history of art as it covers art books of global massclusive, classic foreign sets, precious antique books, authoritative works from world's top-level museums and galleries, and works from world's top universities and colleges. (ChinaFotoPress via Getty Images)

BE OPEN MINDED. Ahead of the Eurovision Song Contest, dozens of traffic lights in Vienna, Austria have been changed to show gay couples rather than the traditional lone gender-neutral figure. 120 pedestrian crossings have been changed to show gay, lesbian and heterosexual couples. The new displays show the couples holding hands and also feature hearts. (Schoendorfer/REX_Shutterstock)

REACH FOR THE CLOUDS. Women walk in rain by a photo illusion depicting some clouds on a fence protecting a construction site in Berlin. (AFP PHOTO / EMMANUELE CONTINI)